Gomez-Garay, A., B. Pintos, J. A. Manzanera, C. Prada, L. Martin, and J. M. Gabriel y Galan. “Nanoceria and Bulk Cerium Oxide Effects on the Germination of Asplenium Adiantum-Nigrum Spores”. Forest Systems, Vol. 25, no. 3, Dec. 2016, p. e067, doi:10.5424/fs/2016253-09294.